- return $ do -- Result monad
- node_data <- node_body >>= getNodes
- let (node_names, node_idx) = assignIndices node_data
- inst_data <- inst_body >>= getInstances node_names
- let (_, inst_idx) = assignIndices inst_data
- tags_data <- tags_body >>= (fromJResult . decodeStrict)
- return (node_idx, inst_idx, tags_data)
+ return (node_body, inst_body, tags_body)
+
+-- | Builds the cluster data from the raw Rapi content
+parseData :: (Result String, Result String, Result String)
+ -> Result (Node.AssocList, Instance.AssocList, [String])
+parseData (node_body, inst_body, tags_body) = do
+ node_data <- node_body >>= getNodes
+ let (node_names, node_idx) = assignIndices node_data
+ inst_data <- inst_body >>= getInstances node_names
+ let (_, inst_idx) = assignIndices inst_data
+ tags_data <- tags_body >>= (fromJResult "Parsing tags data" . decodeStrict)
+ return (node_idx, inst_idx, tags_data)
+
+-- | Top level function for data loading
+loadData :: String -- ^ Cluster or URL to use as source
+ -> IO (Result (Node.AssocList, Instance.AssocList, [String]))
+loadData master = readData master >>= return . parseData